Cossmannica Explained

Cossmannica is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.[1]

Description

The surface of the shell is polished, marked by faint lines of growth and microscopic spiral striations. The shell is not umbilicated. The basal fasciole is absent. The aperture is suboval. There are two columellar folds.[2]

Species

There are nine known species within the genus Cossmannica, these include the following:

External links

Notes and References

  1. Rosenberg, G. (2011). Cossmannica Dall & Bartsch, 1904. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=588553 on 2011-11-29
  2. https://www.biodiversitylibrary.org/item/32384#page/8/mode/1up A Monograph of West American Pyramidellid Mollusks, United States National Museum Bulletin 68, p.10; 1909